John helped his teacher erase the blackboard after class.

约翰下课后帮老师擦黑板。

Will a black chalk chalk on a white blackboard?

黑色的粉笔会在白色的黑板上写字吗?

Please clean the blackboard, Kitty. OK

凯蒂，请把黑板擦干。好的。

Mommy will write the words on the blackboard.

妈妈会在黑板上写下这个单词。

He was writing something on the blackboard.

他在黑板上写东西。

Look at the two pictures on the blackboard.

看黑板上的两幅画。

He called Jobs into his office, sketched it out on his little blackboard, and asked him to design it.

他把乔布斯叫进办公室，在自己的小黑板上画出了草图，然后叫他去设计。

Where did the blackboard sponge go?

海绵黑板擦去哪儿了？

Please look at the four questions on the blackboard.

请看黑板上的四个问题。

Now, look at the blackboard, please, and repeat after me.

请同学们现在看黑板， 并跟着我念。

I wrote down a bunch of ideas on the blackboard.

我在黑板上写了一堆点子。

The students are asked write out the answers on the blackboard.

学生被叫去把答案写在黑板上。

He is drawing something on the blackboard with a piece of chalk.

他用粉笔在黑板上画东西。

The teacher would stand at the front. She would write on a blackboard.

老师站在室前面。她会在黑板上写板书。

I can't draw oil because oil is black on a blackboard.

因为黑板也是黑的 所以我没法把石油画出来。

We'll list out the details on this blackboard

我们会把细节都列在黑板上。

All right, Louis, you may join the class. Stand right here by the blackboard.

好吧，路易斯，你可以到我这个班来。就站到黑板旁边吧。

The little boy drew a picture on the blackboard with a piece of chalk.

小男孩用一根粉笔在黑板上画画。

And there's fresh chalk on the blackboard in case of any late-night epiphanies.

黑板那里有新粉笔可以记下深夜的灵光一现。

While the blackboard helped, he also encouraged other family members to communicate in English.

黑板帮助的同，他也鼓励其他家庭成员用英语交流。